ƽÐеçÀµķóÉ跽ʽ¶ÔÉè¼ÆµÄÓ°Ïì¹á´®ÓÚÔØÁ÷Á¿ÅÌËã¡¢¡¢µç´Å×ÌÈÅ¿ØÖÆ¡¢¡¢ÈÈÖÎÀí¡¢¡¢»úе±£»£»£»¤¡¢¡¢±¾Ç®ÓÅ»¯µÈ½¹µã»·½Ú£¬£¬ÐèÁ¬Ïµ¹ú¼Ê±ê×¼£¨ÈçIEC 60364¡¢¡¢IEC 60287£©ºÍ¹¤³Ìʵ¼ù¾ÙÐÐ×ÛºÏÉè¼Æ¡£ÒÔÏÂÊÇÏêϸӰÏì¼°Éè¼ÆÒªµã£º£º
Ò»¡¢¡¢·óÉ跽ʽ¶ÔÔØÁ÷Á¿µÄÓ°Ïì
1. É¢ÈÈÌõ¼þ²î±ðµ¼ÖÂÔØÁ÷Á¿ÐÞÕý
×ÔÓÉ¿ÕÆøÖзóÉ裺£º
É¢ÈÈЧÂÊ×î¸ß£¬£¬ÔØÁ÷Á¿Îª»ù×¼Öµ£¨IEC 60364-5-52ÖС°A1¡±³¡¾°£©£»£»£»
°¸Àý£º£º16 mm?͵¼ÌåÔÚ30¡æÇéÐÎζÈÏ£¬£¬×ÔÓÉ¿ÕÆøÖÐÔØÁ÷Á¿Îª76 A£¨IEC±ê×¼£©¡£
´©¹Ü·óÉ裺£º
É¢ÈÈÊÜ×裬£¬ÔØÁ÷Á¿½µµÍ20%~30%£¨IEC 60364-5-52ÖС°B1¡±³¡¾°£©£»£»£»
ÐÞÕý¹«Ê½£º£º
°¸Àý£º£ºÍ¬ÉÏ16 mm?µçÀ´©½ðÊô¹Ü£¬£¬ÔØÁ÷Á¿½µÖÁ76¡Á0.7=53.2 A£¬£¬ÐèÉý¼¶ÖÁ25 mm?£¨ÔØÁ÷Á¿101 A¡Á0.7=70.7 A£©¡£
Ö±Âñ·óÉ裺£º
ÍÁÈÀÈÈ×èÓ°ÏìÏÔÖø£¬£¬ÔØÁ÷Á¿ËæÂñÉîÔöÌí¶ø½µµÍ£¨IEC 60287-2-1£©£»£»£»
ÐÞÕý¹«Ê½£º£º
- $K_d$£º£ºÂñÉîÐÞÕýϵÊý£¨ÂñÉî1 mʱ£¬£¬$K_d \approx 0.9$£©£»£»£»
°¸Àý£º£º25 mm?µçÀÂÖ±Âñ1 m£¬£¬ÇéÐÎζÈ25¡æ£¬£¬ÔØÁ÷Á¿´Ó101 A½µÖÁ101¡Á0.9¡Á0.95£¨ÍÁÈÀÈÈ×èÐÞÕý£©¡Ö86.5 A¡£
2. ¶à¸ùµçÀ²¢ÁзóÉèµÄÏà½üЧӦ
ƽÐÐÅÅÁУº£º
2¸ù²¢ÁУº£ºÔØÁ÷Á¿½µµÍ15%£¨£©£»£»£»
3¸ù²¢ÁУº£ºÔØÁ÷Á¿½µµÍ20%£¨£©£»£»£»
°¸Àý£º£º3¸ù16 mm?µçÀ²¢Áд©¹Ü£¬£¬ÔØÁ÷Á¿´Ó76 A½µÖÁ76¡Á0.8¡Á0.7=42.6 A£¬£¬ÐèÉý¼¶ÖÁ35 mm?£¨ÔØÁ÷Á¿120 A¡Á0.8¡Á0.7=67.2 A£©¡£
Èý½ÇÐÎÅÅÁУº£º
É¢ÈÈÓÅÓÚÆ½ÐÐÅÅÁУ¬£¬ÔØÁ÷Á¿½µµÍ·ù¶È¼õС5%~10%£¨IEC 60364-5-52×¢ÊÍ£©¡£
¶þ¡¢¡¢·óÉ跽ʽ¶Ôµç´Å×ÌÈÅ£¨EMI£©µÄÓ°Ïì
1. ´«µ¼×ÌÈÅ¿ØÖÆ
´©¹Ü·óÉ裺£º
½ðÊô¹Ü£¨Èç¶ÆÐ¿¸Ö¹Ü£©¿ÉÌṩ40~60 dBÆÁÕÏЧÄÜ£¨@1 MHz£©£¬£¬ÏÔÖø½µµÍ¶¯Á¦µçÀ¶ÔÐźÅÏßµÄ×ÌÈÅ£»£»£»
°¸Àý£º£ºÄ³¹¤³§±äƵÆ÷¶¯Á¦µçÀ´©¸Ö¹Üºó£¬£¬4-20 mAÐźÅÏßÔëÉù´Ó¡À5%½µÖÁ¡À0.5%¡£
Çżֲܷã·óÉ裺£º
¶¯Á¦µçÀÂÓëÐźŵçÀ·ֲ㰲ÅÅ£¨¶¯Á¦²ãÔÚÏ¡¢¡¢ÐźŲãÔÚÉÏ£©£¬£¬¼ä¾à¡Ý300 mm£¨IEC 60287-3-1£©£»£»£»
°¸Àý£º£ºÊý¾ÝÖÐÐĽÓÄÉÇżֲܷãÉè¼Æ£¬£¬½«µçÔ´ÏßÓëÍøÏß×ÌÈŽµµÍ70%¡£
2. ·øÉä×ÌÈÅÒÖÖÆ
Ö±Âñ·óÉ裺£º
ÍÁÈÀ¶Ô¸ßƵ·øÉ䣨>1 MHz£©Ë¥¼õÏÔÖø£¨Ô¼20 dB/m£©£¬£¬Êʺϳ¤¾àÀë¸ßѹµçÀ£»£»£»
°¸Àý£º£º110 kVÖ±ÂñµçÀÂÔÚ1 mÉî¶È´¦£¬£¬10 MHz·øÉ䳡ǿ˥¼õÖÁµØÃæÖµµÄ1%¡£
×ÔÓÉ¿ÕÆøÖзóÉ裺£º
Ðèͨ¹ýÆÁÕϵçÀ£¨ÈçSTP£©»òÔöÌí¼ä¾à£¨¡Ý¦Ë/20£©¿ØÖÆ·øÉä×ÌÈÅ£»£»£»
°¸Àý£º£ºÆû³µCAN×ÜÏß½ÓÄÉË«½ÊÆÁÕÏÏߣ¬£¬¼ä¾à100 mm£¬£¬Í¨¹ýISO 11452-2µç´Å¼æÈݲâÊÔ¡£
Èý¡¢¡¢·óÉ跽ʽ¶ÔÈÈÖÎÀíµÄÌôÕ½
1. ÈÈÀÛ»ýÓëÎÂÉý¿ØÖÆ
÷缯·óÉ裺£º
µçÀÂÇżÜÄÚµçÀÂÌî³äÂÊ¡Ü50%£¨IEC 60364-5-52£©£¬£¬×èÖ¹ÈÈÀÛ»ýµ¼Ö¾øÔµÀÏ»¯£»£»£»
°¸Àý£º£ºÄ³»¯¹¤³§ÇżÜÌî³äÂÊ´ï70%£¬£¬µ¼ÖµçÀÂÎÂÉý³¬±ê15¡æ£¬£¬Òý·¢2Æð¶Ì·Ê¹ʡ£
´©¹Ü÷缯·óÉ裺£º
½ðÊô¹ÜÄÚµçÀÂÌî³äÂÊ¡Ü30%£¬£¬ÇÒÐèÔ¤Áô20%É¢Èȿռ䣻£»£»
°¸Àý£º£ºÄ³ÐÞ½¨ÏîÄ¿´©¹ÜÌî³äÂÊ´ï40%£¬£¬µ¼ÖµçÀÂÔØÁ÷Á¿Ï½µ35%£¬£¬±»ÆÈ·µ¹¤¡£
2. ÇéÐÎζÈ˳ӦÐÔ
¸ßÎÂÇéÐΣ¨>40¡æ£©£º£º
Ðè½ÓÄÉÄ͸ßεçÀ£¨Èç¹èÏ𽺾øÔµ£¬£¬¶î¶¨Î¶È180¡æ£©»òÔöÌí͸·ç²½·¥£»£»£»
°¸Àý£º£º¸ÖÌú³§¸ß¯ÅÔµçÀ½ÓÄÉÄ͸ßεçÀ£¬£¬ÔØÁ÷Á¿ÌáÉý20%¡£
µÍÎÂÇéÐΣ¨<-20¡æ£©£º£º
ÐèÑ¡ÓõÍεçÀ£¨ÈçXLPE¾øÔµ£¬£¬´à»¯Î¶È-40¡æ£©»ò½ÓÄɵç°éÈÈ£»£»£»
°¸Àý£º£º±±¼«ÓÍÌïµçÀ½ÓÄɵç°éÈÈ£¬£¬Î¬³ÖÔËÐÐζÈÔÚ-10¡æÒÔÉÏ¡£
ËÄ¡¢¡¢·óÉ跽ʽ¶Ô»úе±£»£»£»¤µÄÒªÇó
1. ¿¹¹¥»÷ÓëÕñ¶¯
Ö±Âñ·óÉ裺£º
Ðè¼Ó×°»ìÄýÍÁ±£»£»£»¤°å£¨ºñ¶È¡Ý100 mm£©»ò¸Ö¹Ü·À»¤£¬£¬·ÀÖ¹»úеËðÉË£»£»£»
°¸Àý£º£ºÄ³¹«Â·ÏÂÖ±ÂñµçÀÂÒòδ¼Ó×°±£»£»£»¤°å£¬£¬±»ÍÚ¾ò»úÍÚ¶Ï3´Î¡£
ÇżܷóÉ裺£º
Ñ¡Óÿ¹ÕðÐÍÇżܣ¨ÈçÌݼ¶Ê½ÇżÜ+·ÀÕðÖ§¼Ü£©£¬£¬Ë³Ó¦Õñ¶¯ÇéÐΣ¨Èç·çµç³¡£©£»£»£»
°¸Àý£º£º·çµçËþͲÄÚµçÀÂÇżܽÓÄÉ·ÀÕðÉè¼Æ£¬£¬Õñ¶¯¼ÓËÙÂÊÄÍÊÜÖµ´ï0.5 g¡£
2. ·ÀÇÖÊ´Óë·ÀË®
ʪÈóÇéÐΣº£º
Ö±ÂñµçÀÂÐè½ÓÄÉ·ÀË®ÐÍ£¨ÈçHDPEÍ⻤Ì×£©»ò¼Ó×°ÅÅË®¹Ü£»£»£»
°¸Àý£º£ºÑغ£µç³§Ö±ÂñµçÀÂÒòÑÎÎíÇÖÊ´£¬£¬ÊÙÃüËõ¶ÌÖÁ5Ä꣨Éè¼ÆÊÙÃü20Ä꣩¡£
»¯Ñ§ÇÖÊ´ÇéÐΣº£º
Ñ¡Ó÷À¸¯Ð͵çÀ£¨Èç¾Û±ûÏ©¾øÔµ£©»ò´©¶ÆÐ¿¸Ö¹Ü·óÉ裻£»£»
°¸Àý£º£º»¯¹¤³§µçÀ´©¸Ö¹Üºó£¬£¬ÇÖÊ´ËÙÂʽµµÍ80%£¬£¬ÊÙÃüÑÓÉìÖÁ15Äê¡£
Îå¡¢¡¢·óÉ跽ʽ¶Ô±¾Ç®ÓëÊ©¹¤µÄÓ°Ïì
1. ÖÊÁϱ¾Ç®
´©¹Ü·óÉ裺£º
½ðÊô¹Ü±¾Ç®Õ¼µçÀÂ×ܱ¾Ç®µÄ10%~15%£¬£¬µ«¿ÉïÔ̵çÀ½ØÃæ»ý£¨ÒòÔØÁ÷Á¿ÐÞÕý£©£»£»£»
°¸Àý£º£ºÄ³ÏîÄ¿´©¹Ü·óÉèʹµçÀ½ØÃæ»ý´Ó35 mm?½µÖÁ25 mm?£¬£¬½ÚÔ¼ÖÊÁϱ¾Ç®12%¡£
ÇżܷóÉ裺£º
Çżܱ¾Ç®Õ¼µçÀÂ×ܱ¾Ç®µÄ20%~30%£¬£¬µ«±ãÓÚºóÆÚά»¤ºÍÀ©ÈÝ£»£»£»
°¸Àý£º£ºÊý¾ÝÖÐÐĽÓÄÉÇżֲܷãÉè¼Æ£¬£¬³õÆÚͶ×ÊÔöÌí25%£¬£¬µ«ÔËά±¾Ç®½µµÍ40%¡£
2. Ê©¹¤ÄѶÈ
Ö±Âñ·óÉ裺£º
Ð迪ÍÚ¹µ²Û£¨Éî¶È¡Ý0.8 m£©£¬£¬Ê©¹¤ÖÜÆÚ³¤£¬£¬µ«Õ¼µØÃæ»ýС£»£»£»
°¸Àý£º£º³ÇÊеØÏ¹ÜÀÈÏîĿֱÂñµçÀÂÊ©¹¤ÖÜÆÚ±ÈÇżܷóÉ賤30%¡£
×ÔÓÉ¿ÕÆøÖзóÉ裺£º
ÊÊÓÃÓڶ̾àÀë¡¢¡¢ÔÝʱ²¼Ïߣ¬£¬µ«Ðè°´ÆÚ¼ì²é·À»úеËðÉË£»£»£»
°¸Àý£º£ºÐÞ½¨¹¤µØÔÝʱÓõç½ÓÄÉ×ÔÓÉ¿ÕÆøÖзóÉ裬£¬Ê¹ÊÂʱÈÇżܷóÉè¸ß50%¡£
Áù¡¢¡¢ÐÐÒµÓ¦Óð¸ÀýÓë±ê×¼±ÈÕÕ
1. ¹¤Òµ×Ô¶¯»¯³¡¾°£¨IEC 60364-5-52£©
Éè¼ÆÒªÇ󣺣º
¶¯Á¦µçÀÂÓëÐźŵçÀ¼ä¾à¡Ý300 mm£¨Çżֲܷã·óÉ裩£»£»£»
´©¹Ü·óÉèʱ£¬£¬½ðÊô¹ÜÐèÁ½Í·½ÓµØ£¨½ÓµØµç×è¡Ü0.1 ¦¸£©£»£»£»
°¸Àý£º£ºÄ³Æû³µ³§½ÓÄÉÇżֲܷã+´©¹Ü½ÓµØÉè¼Æ£¬£¬Í¨¹ýISO 13849-1¹¦Ð§Çå¾²ÈÏÖ¤¡£
2. ÐÞ½¨µçÆø³¡¾°£¨GB 50217-2018£©
Éè¼ÆÒªÇ󣺣º
1 kVÒÔ϶¯Á¦µçÀÂÓëÐźŵçÀ¼ä¾à¡Ý150 mm£»£»£»
Ö±ÂñµçÀÂÂñÉî¡Ý0.7 m£¬£¬ÇÒ¶¥²¿ÁýÕÖ100 mmÈíÍÁ£»£»£»
°¸Àý£º£ºÄ³ÉÌÒµ×ÛºÏÌå°´GB±ê×¼Éè¼Æ£¬£¬10ÄêÄÚ䱬·¢µçÀ¹ÊÕÏ¡£
3. ÐÂÄÜÔ´³¡¾°£¨IEC 62446-3£©
Éè¼ÆÒªÇ󣺣º
¹â·üµçÀ½ÓÄÉÖ±Âñ+»ìÄýÍÁ±£»£»£»¤°å£¬£¬ÄÍÊÜ-40¡æ~+90¡æ£»£»£»
·çµç³¡µçÀÂÇżܽÓÄÉ·ÀÕðÉè¼Æ£¬£¬Õñ¶¯ÆµÂÊÄÍÊÜ0.1~100 Hz£»£»£»
°¸Àý£º£ºÄ³º£ÓÅÊÆµç³¡µçÀÂÉè¼ÆÊÙÃü´ï30Ä꣨½Éϱê׼Ϊ20Ä꣩¡£
Æß¡¢¡¢Éè¼ÆÓÅ»¯½¨Òé
½¨Éè·óÉ跽ʽѡÐ;ØÕ󣺣º
³¡¾° ÍÆ¼ö·óÉ跽ʽ Òªº¦Éè¼Æ²ÎÊý ¶Ì¾àÀ붯Á¦²¼Ïß ×ÔÓÉ¿ÕÆøÖзóÉè ¼ä¾à¡Ý5D£¬£¬Ìî³äÂÊ¡Ü30% ³¤¾àÀ붯Á¦´«Êä Ö±Âñ·óÉè ÂñÉî¡Ý0.8 m£¬£¬»ìÄýÍÁ±£»£»£»¤°å ¶¯Á¦ÓëÐźŻìÏý²¼Ïß Çżֲܷã·óÉè ¶¯Á¦²ãÔÚÏ£¬£¬¼ä¾à¡Ý300 mm ¸ß×ÌÈÅÇéÐÎ ´©¹Ü·óÉè+ÆÁÕϵçÀ ½ðÊô¹Ü½ÓµØ£¬£¬ÆÁÕϲ㵥¶Ë½ÓµØ ½ÓÄÉ·ÂÕæ¹¤¾ßÑéÖ¤£º£º
ʹÓÃETAP»òCOMSOL¾ÙÐÐÈÈ-µç´ÅñîºÏ·ÂÕæ£¬£¬ÓÅ»¯¼ä¾àÓë½ØÃæ»ý£»£»£»
°¸Àý£º£ºÄ³Êý¾ÝÖÐÐÄͨ¹ý·ÂÕæ½«ÇżÜÌî³äÂÊ´Ó60%½µÖÁ45%£¬£¬ÎÂÉý½µµÍ10¡æ¡£
Ô¤ÁôÉý¼¶¿Õ¼ä£º£º
ÇżÜÈÝÁ¿°´Î´À´10ÄêÐèÇóÉè¼Æ£¬£¬×èÖ¹¶þ´ÎˢУ»£»£»
°¸Àý£º£ºÄ³¹¤³§ÇżÜÔ¤Áô30%¿Õ룬£¬5ÄêÄÚÐÂÔöµçÀÂÎÞÐèÀ©½¨¡£
ͨ¹ýºÏÀíÑ¡Ôñ·óÉ跽ʽ£¬£¬¿ÉʵÏÖÒÔÏÂÄ¿µÄ£º£º
ÔØÁ÷Á¿ÌáÉý£º£ºÓÅ»¯É¢ÈÈʹͬ½ØÃæ»ýµçÀÂÔØÁ÷Á¿Ìá¸ß15%~30%£»£»£»
×ÌÈŽµµÍ£º£ºÆÁÕÏ+¼ä¾àÉè¼ÆÊ¹ÐźÅÔëÉù´Ó¡À5%½µÖÁ¡À0.5%£»£»£»
ÊÙÃüÑÓÉ죺£º»úе±£»£»£»¤Éè¼ÆÊ¹µçÀÂÊÙÃü´Ó10ÄêÑÓÉìÖÁ20ÄêÒÔÉÏ£»£»£»
±¾Ç®½ÚÔ¼£º£ºÖÊÁÏÓëÊ©¹¤ÓÅ»¯Ê¹×ܱ¾Ç®½µµÍ10%~20%¡£
Ïà¹ØÄÚÈÝ
- ´¬ÓÃÈíµçÀÂÇå½à²»³¹µ×»áÒý·¢É¶ÎÊÌ⣿£¿£¿
- ZR-YJV22-0.6/1kVÐÍ£º£º×èȼîø×°µçÀÂîø×°²ãÒªÇ󣿣¿£¿
- ÆÁÕÏ»·±£µçÀÂÆÁÕϲãÄ͵çѹÇÖÊ´ÂÊ£¿£¿£¿
- µÍÑ̵ͱµçÀÂÄÍ»ð²ãÔȳƶÈÒªÇ󣿣¿£¿
- »·±£×èȼµçÀÂÀÏ»¯ºóÐÔÄÜϽµÕ¦ÑÓ»º£¿£¿£¿
- KÐÍÅâ³¥µ¼Ïß¶Ë×ÓͿɶµ¼µç¸à£¿£¿£¿
- 8.7kVµçÀ²Ù×÷²»µ±Ð§¹û¶àÑÏÖØ£¿£¿£¿
- îø×°²ãÊÕÏßÕÅÁ¦²»ÎÈÕ¦½â¾ö£¿£¿£¿
- îø×°µçÀµĸÖË¿ÕÅÁ¦Ðè¼á³Öʲô״̬£¿£¿£¿
- ¼¯¿ØµçÀµĹÊÕ϶¨Î»ÒªÁìÓÐɶ£¿£¿£¿

